#define _CRT_SECURE_NO_WARNINGS 1
#include<stdio.h>
int main()
{
	int k = 1, s = 0;
	do
	{
		if (k % 2 != 0)
			continue;
		s += k;
		k++;
	} while (k > 10);
	printf("s=%d\n", s);
	return 0;
}